John Stearns (October 13, 1916 – December 1, 2001) was an American actor, producer and director during the 1940s until the 2000s.
He also performed in several Broadway plays.
Stearns was best known for co-starring with his wife Mary Kay Stearns on television's first sitcom Mary Kay and Johnny.
He was also known as one of the original producers of The Tonight Show Starring Steve Allen and Arthur Murray's Dance Party.
For nearly 30 years, he was the host and producer of the public affairs television program Agriculture USA.